Vivotek IZ7151 User Manual download pdf (Page 47)

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User's Manual - 47

WindowA

Audio Settings

Mute :

Select this option to disable audio transmission from the Network Camera to all clients�

Note that if mute mode is turned on, no audio data will be transmitted to all clients even though the

audio transmission is enabled in the Client Settings page� In that case, the following message is

displayed�

Internal microphone input gain :

Select the gain of the internal audio input according to ambient

conditions� Adjust the gain in thirty three steps from +12 db (most sensitive) ~ -34�5 db (least

sensitive)�

External microphone input :

There are two options for external microphone input gain: 0db and

20db�

Audio type :

Select audio codec AAC or GSM-AMR and the bit rate�

■

AAC targets at performing good sound quality at the cost of higher bandwidth consumption�

The bit rates are selectable at the following rates: 16Kbps, 32Kbps, 48Kbps, 64Kbps, 96Kbps

and128Kbps�

■

GSM-ARM is designed to optimize speech quality and requires less bandwidth� The bit

rates are selectable at the following rates: 4�75Kbps, 5�15Kbps, 5�90Kbps, 6�7Kbps, 7�4Kbps,

7�95Kbps, 10�2Kbps and 12�2Kbps�

NOTE :

► The Network Camera offers two inputs to capture audio - internal microphone or external

microphone. You can use the internal microphone to capture audio around the Network

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Vivotek IZ7151 User Manual Page 47